March 2026
Intermediate to advanced
512 pages
11h 26m
English
Content preview from Salesforce Lightning Web Component Cookbook
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13
Testing Apex with Mocking and Stubbing
Now that we have our LWCs and corresponding Apex written, it's time to write test classes. "What! I thought this cookbook was about Lightning Web Components!" is what I am sure you are thinking to yourself right now. In order to deploy the Apex that accompanies our LWCs, we must have a minimum of 75% test class coverage, so Apex tests are fair game! We're going to begin to learn an advanced Apex testing technique called mocking and stubbing, which plays nicely with the selector pattern that we have been using in this cookbook, introduced in Chapter 3, Working with a Selector Class. Neat!
The purpose of using mocking and stubbing is to allow us to unit test our code. Unit testing allows us to test each ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.